Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Volumen activo-es#Sense
Arbeidsvolume-nl#Sense
Arbeitsvolumen-de#Sense
Aktiv volym-sv#Sense
Aktivt volumen-da#Sense
Aktiivivolyymi-fi#Sense
Volume ativo-pt#Sense
Volume actif-fr#Sense
Volume attivo-it#Sense
Ενεργός όγκος-el#Sense
Active volume-en#Sense